Develop Google Calendar solutions

Insert interactive content, powered by your account data or an external service, with Add-ons.
  • Show contextual details from a third-party system when users view or create events.
  • Show your custom conferencing solution when users create an event.
Anyone can use Apps Script to automate and enhance Google Calendar in a web-based, low-code environment.
  • Create events based on Google Form submissions.
  • Update events or calendars from Google Sheets.
  • Insert calendar data into Google Sheets for review.
Use the REST APIs below to interact programmatically with Google Calendar.
Read and update calendars with several popular programming languages, such as Java, JavaScript, and Python.
Use Google's CalDAV server to read and update calendar data.